Trait BooleanProp.BooleanProp

trait BooleanProp extends Prop[Boolean]

A few additional conveniences for Boolean properties.

Supertypes	trait Prop[Boolean] class Object trait Matchable class Any

Abstract methods

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def !=(x: Boolean): Boolean

Compares two Boolean expressions and returns true if they evaluate to a different value.

a != b returns true if and only if - a is true and b is false or - a is false and b is true.

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def &(x: Boolean): Boolean

Compares two Boolean expressions and returns true if both of them evaluate to true.

a & b returns true if and only if - a and b are true.

Note	This method evaluates both a and b, even if the result is already determined after evaluating a.

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def &&(x: Boolean): Boolean

Compares two Boolean expressions and returns true if both of them evaluate to true.

a && b returns true if and only if - a and b are true.

Note	This method uses 'short-circuit' evaluation and behaves as if it was declared as def &&(x: => Boolean): Boolean. If a evaluates to false, false is returned without evaluating b.

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def ==(x: Boolean): Boolean

Compares two Boolean expressions and returns true if they evaluate to the same value.

a == b returns true if and only if - a and b are true or - a and b are false.

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def ^(x: Boolean): Boolean

Compares two Boolean expressions and returns true if they evaluate to a different value.

a ^ b returns true if and only if - a is true and b is false or - a is false and b is true.

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def disable(): Unit

Alter this property so that value will be false.

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def enable(): Unit

Alter this property so that value will be true.

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def toggle(): Unit

Toggle the property between enabled and disabled states.

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def unary_!: Boolean

Negates a Boolean expression.

- !a results in false if and only if a evaluates to true and - !a results in true if and only if a evaluates to false.

Returns	the negated expression

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def value: Boolean

The semantics of value are determined at Prop creation. See methods valueIsTrue and keyExists in object BooleanProp for examples.

Returns	true if the current String is considered true, false otherwise

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def |(x: Boolean): Boolean

Compares two Boolean expressions and returns true if one or both of them evaluate to true.

a | b returns true if and only if - a is true or - b is true or - a and b are true.

Note	This method evaluates both a and b, even if the result is already determined after evaluating a.

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def ||(x: Boolean): Boolean

Compares two Boolean expressions and returns true if one or both of them evaluate to true.

a || b returns true if and only if - a is true or - b is true or - a and b are true.

Note	This method uses 'short-circuit' evaluation and behaves as if it was declared as def ||(x: => Boolean): Boolean. If a evaluates to true, true is returned without evaluating b.

Inherited methods

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def clear(): Unit

Removes the property from the underlying map.

Inherited from	Prop

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def get: String

Gets the current string value if any. Will not return null: use isSet to test for existence.

Returns	the current string value if any, else the empty string
Inherited from	Prop

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def isSet: Boolean

True if the key exists in the properties map. Note that this is not sufficient for a Boolean property to be considered true.

Returns	whether the map contains the key
Inherited from	Prop

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def key: String

The full name of the property, e.g., "java.awt.headless".

Inherited from	Prop

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def option: Option[T]

Some(value) if the property is set, None otherwise.

Inherited from	Prop

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def set(newValue: String): String

Sets the property.

Value parameters	newValue the new string value
Returns	the old value, or null if it was unset.
Inherited from	Prop

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def setValue[T1 >: Boolean](value: T1): T

Sets the property with a value of the represented type.

Inherited from	Prop